Air-heater for self-feeding stoves



- 2 Sheets-'Sheet 1.

W. JCMGSHERRY. Air Heater'for Self-Feeding Stoves No. 232,289. PatentedSept. 14,1880;

WITNESSES N-PETERS PNOTO-UTHOGRAPHER. WASHINGTPIL D C 2 Sheets-Sheet 2.

VW.- J. MQSH ERRY. Air Heater for Self-Feeding Stoves.

Patented Sept. 14,1880.

A ATTORNEY ITNESSES N. PETERS, PHOTO-LITHOGRAPHER, WASNINGYON, D c.

UNITED STATES PATENT OFFICE.

WASHINGTON J. MOSHERRY, OF GREENVILLE, OHIO.

AIR-HEATER FOR SELF-FEEDING STOVES.

SPECIFICATION forming part of Letters Patent No. 232,289, datedSeptember 14, 1880. Application filed February 27, 1880.

To all whom it may concern 1 Be it known that I, WASHINGTON J. Mo-SHERRY, of Greenville, in the county of Darke and State of Ohio, haveinvented a new and valuable Improvement in Air-Heaters for Self- FeedingStoves; and I do herebydeclare that the following is a full, clear, andexact description of the construction and operation of the same,reference being had to the annexed drawings, making a part of thisspecification, and .to the letters and figures of reference markedthereon.

Figure 1 of the drawings is a representation of a vertical centralsection of my improved stove. Fig. 2 is a horizontal section of thesame, and Fig. 3 is a detail section. Fig. 4is a top view, and Figs. 5and 6 are details.

This invention has relation to improvements in base-burning or airstoves; and it consists in the construction and novel arrangement ofparts, as hereinafter shown, described, and set forth in the claim. i

In the annexed drawings, the letter A designates the body of the stove,provided with the usual grate B, an annular basket, 0, and cylindricalhopper G. On a level with the basket the stove-bodyis provided withhinged mica doors a, and above it with like, but larger, doors 0. Belowthe grate is the ash-pan D, having a double bottom, with an air-space,0, between its top and bottom walls, at (1, into which the descendingsmoke-flue D opens. This flue is outside of the body of the stove, andterminates above at the junction of the body thereof with thecylindrical upperextension, D surrounding the magazine. It communicateswith the stove by means of two openings, i ,i, one of which ispermanently open, and the other wholly or partly closed by a valve, 0,and has at its upper end a collar, 0, for the attachment of a pipeleading into the chimney-flue.

Within the flue D is a second flue, D extending downward through thebottom of the ash-pan and upward between the openings 71 i through thestove-wall by a bend, f. This flue divides flue 1) into two verticalducts, g

. 9, one of which communicates with the valved opening 13 and the otherwith the opening t", the latter being provided above said opening 1;with a dividing-wall or diaphragm, it, that collar 0.

prevents the products of combustionfrom passing directly into thechimney-flue through the When the valve of opening i is closed, eitherin whole or in part, such products pass down the ducts g wholly orpartly and enter the space between the bottoms of the ash-pan, when theypass up duct 9 and readily pass out into the chimney-flue.

It is thus apparent that the flue D acts as a jacket to the flue D, thelatter being surrounded, except at the rear, when the stove is in use,by the heated products of combustion.

The magazine or hopper is made in two sections usually, the one forminga continuation of the other and reaching down nearly to the top of thebasket or grate G, and the lower section is constructed with doublewills j j, between which is a hot-air chamber, of annular form. The flueD opens into chamber and conducts fresh air from the outside of thestove into it, which, being greatly heated by the direct impact of theheat from the grate,

escapes up through a vertical flue, Z, between the magazine andextension, into an annular distributing-flue, l, at the top of thestove, whence it passes out either through a register, m, into thestove-room, or through pipes attached to a collar, a, into otherapartments.

It will be observed that flues l and Z are jacketed by the magazine andextension, the former wholly and the latter in part, and that the airheated in the chamber is can lose but little of its caloric before beingdischarged into the room.

The air-supply pipe D is partially surrounded with the products ofcombustion in flue D. Consequently the chill is taken oif the airconducted to chamber is before entering the same. The lower part of theouter wall of this chamber is in the form of an inverted conicalfrustum, thus presenting increased heating-surface to the fire anddeflecting the heat outward against the upper mica doors, I), andcausing an increased radiation of heat from that portion of the stoveinto the room.

In practice, the stove will be constructed in sections, and the sectionsof the various flues connected by slip-joints or other practical means.

I am aware that the lower end of the maga- 2 ceases zine of a heater hasbeen made hollow, and that hot-air chambers and fines have been arrangedaround the magazine and partly around the body of the stove, and I donot claim such devices, broadly.

What I claim as new, and desire to secure by Letters Patent, is-

In a heating-stove, the combination, with the annular closed chamber 70,formed around the lower end of the magazine-extension, the annulardistributing-fine Z at the top of the stove, and the vertical .flue Z,connecting said "parts, as described, of the lateralsmoke-flues g g atthe back of the lower portion of the stove and connecting with thebottom air- 15 space, 0, said fines having the inlets i i, and provided,respectively, with the valve 6 and the diaphragm h, and the middlecold-air flue, D between said lateral fines, and communicating with theterminal magazine-flue 70 by an intc- 2o rior passage, f, substantiallyas specified.

In testimony that I claim the above I have hereunto subscribed my namein the presence of two witnesses.

WASHINGTON JEFFERSON MOSHERRY. Witnesses J AMES M. LANSDOWNE, JAMEs T.KING.

